Sentence examples for changes of oil from inspiring English sources

The limited reserves of crude oil and sudden/large changes of oil price caused by unpredictable oil crises seriously impact on the economic development of the society.

In order to find the reasons of this behavior, the changes of oil saturation in several grid blocks versus production time were plotted in Fig. 9.

We found that significant content changes of oil occur at temperatures of 300 and 350 °C accompanied by an increase of light fractions and a decrease of high molecular weight hydrocarbons.

The composition changes of oil samples show an increase in the contents of saturates and aromatics and a loss in resins and asphaltenes after reaction, verifying that the oil-soluble catalysts have the ability to crack part of heavy components (asphaltenes and resins) into light components (saturates and aromatics) (Qin and Xiao 2013).

Based on the changes of oil accumulation in developing seeds (data not shown), we determined two stages for transcriptome sampling, i.e. the initial stage of seed development (S1, 5 10 days DAP) and in the fast oil accumulation stage (S2, 50 65 DAP).

To find out more about compositional changes of oils, fatty acid analysis was performed.

Finally, pedestal contact status is analyzed according to the change of oil film thickness during a vibration period.

"It affects the entire society because we solely rely on oil and a slight change of oil price on the international market invariably affects society".

Fig. 4 Color change of oil samples after (a) 100 h, (b) 200 h, (c) 300 h, and (d) 400 h of oxidation.

However, for higher oil volume fraction (yo>0.35) the variation of flow measure presents an irregular distribution with the change of oil volume fraction.

The production rate of CO2-EOR is dependent on many factors, such as interfacial tension reduction, oil viscosity reduction, oil swelling, formation permeability improvement, solution gas flooding, and density change of oil and water (Yongmao et al. 2004).